double-helix
柯林斯词典
1. N the form of the molecular structure of DNA, consisting of two helical polynucleotide chains linked by hydrogen bonds and coiled around the same axis DNA结构中的双螺旋[biochem]
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1. N the form of the molecular structure of DNA, consisting of two helical polynucleotide chains linked by hydrogen bonds and coiled around the same axis DNA结构中的双螺旋[biochem]